| 1 | //===-- Unittests for strdup ----------------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "src/string/strdup.h" |
| 10 | #include "test/UnitTest/ErrnoCheckingTest.h" |
| 11 | #include "test/UnitTest/Test.h" |
| 12 | |
| 13 | using LlvmLibcStrDupTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest; |
| 14 | |
| 15 | TEST_F(LlvmLibcStrDupTest, EmptyString) { |
| 16 | const char *empty = ""; |
| 17 | |
| 18 | char *result = LIBC_NAMESPACE::strdup(empty); |
| 19 | ASSERT_ERRNO_SUCCESS(); |
| 20 | |
| 21 | ASSERT_NE(result, static_cast<char *>(nullptr)); |
| 22 | ASSERT_NE(empty, const_cast<const char *>(result)); |
| 23 | ASSERT_STREQ(empty, result); |
| 24 | ::free(result); |
| 25 | } |
| 26 | |
| 27 | TEST_F(LlvmLibcStrDupTest, AnyString) { |
| 28 | const char *abc = "abc"; |
| 29 | |
| 30 | char *result = LIBC_NAMESPACE::strdup(abc); |
| 31 | ASSERT_ERRNO_SUCCESS(); |
| 32 | |
| 33 | ASSERT_NE(result, static_cast<char *>(nullptr)); |
| 34 | ASSERT_NE(abc, const_cast<const char *>(result)); |
| 35 | ASSERT_STREQ(abc, result); |
| 36 | ::free(result); |
| 37 | } |
| 38 | |
| 39 | TEST_F(LlvmLibcStrDupTest, NullPtr) { |
| 40 | char *result = LIBC_NAMESPACE::strdup(nullptr); |
| 41 | ASSERT_ERRNO_SUCCESS(); |
| 42 | |
| 43 | ASSERT_EQ(result, static_cast<char *>(nullptr)); |
| 44 | } |
| 45 |